package demo01;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

public class Test01 {
    public static void main(String[] args) throws IOException {
        FileInputStream fileInputStream = new FileInputStream("1.txt");
        byte [] buffer = new byte[1024];

        int bytesRead;

        while ((bytesRead = fileInputStream.read(buffer))!=-1);
        String content = new String(buffer,0,bytesRead);
        System.out.println(content);
    }

}
